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AK & Related Rifles, Analytics and Reports

Cutting Through The Fluff – The US Civilian AK Market: A 5-Year Analysis of Consumer Sentiment and Brand Performance (2020-2025)

Ever get tired of trying to figure out what AK vendors might be worth buying a rifle from in the US? Well, I did but the thing is that I have the tools and experience to do something about it – namely a formal customer sentiment analysis.

What I did was to have my analytics tools look at 512,000 online discussions for 2020-2024 and through July 12, 2025. I then had it identify the AK vendors mentioned the most online in social media, how often they came up in discussion, the % positive and the % negative.

What does this give you? An unbiased list. You’re getting the data without me tampering with it, injecting my opinions or getting paid by vendors to put their name on a list. Use this to consider how a given vendor is trending (are discussions getting better or worse).

This post has a companion post that contains relative performance rankings for 50 vendors in the AK market including rifles, accessories and receivers. Reading both will give you additional insight. This post looks at the volume of discussions in social media and the percents positive and negative. The other posts looks at a number of attributes including price, reliability, finish, customer service and so forth and assigns a relative ranking from 1 (low) to 10 (high) for each vendor. Click here to open that post in a new tab.

Executive Summary

This report presents a comprehensive market intelligence analysis of the United States civilian Kalashnikov-pattern (AK) rifle market, covering the period from January 1, 2020, to the present date in 2025. The analysis is based on a wide-ranging review of online discourse, including enthusiast forums, news media, and product reviews, to quantify consumer sentiment and track brand performance over time.

The US AK market is characterized by a fundamental and persistent split between imported and domestically manufactured rifles. Imported firearms, particularly those from legacy Combloc factories such as Zastava (Serbia) and Cugir (Romania), are held in high esteem for their perceived authenticity, robust build quality, and use of military-grade components like cold-hammer-forged (CHF), chrome-lined barrels.1 This perception grants brands like Arsenal, Inc. (importing from Bulgaria) and Zastava Arms USA a significant reputational advantage, allowing them to command premium prices.

Conversely, the domestic manufacturing sector has undergone a significant transformation. Early US-made AKs from manufacturers like I.O. Inc. and Century Arms (specifically the RAS-47) established a poor reputation due to the use of inferior cast components, leading to well-documented catastrophic failures.4 However,

Palmetto State Armory (PSA) has spearheaded a redemption arc for American AKs. By transitioning from early models with cast parts to the widely accepted GF3, GF4, and GF5 series featuring forged trunnions, bolts, and carriers, PSA has successfully shifted market perception and captured a dominant share of the domestic market through aggressive pricing and a vast product catalog.2

A key macro-trend impacting the market is significant price escalation across the board. The AK platform, once considered a budget-friendly alternative to the AR-15, now occupies distinct market tiers ranging from sub-$800 entry-level models to premium offerings exceeding $2,000.2 This shift has been compounded by geopolitical instability and US import policies. The memory of bans on Russian firearms (Saiga, Vepr) and the recent 2025 suspension of arms exports from Serbia have underscored the fragility of the import supply chain.9 This uncertainty has increased the strategic value of readily available, domestically produced rifles, fundamentally altering the consumer purchasing calculus.

The dominant brands in terms of discussion volume and market impact are Palmetto State Armory, Century Arms, Zastava Arms USA, and Arsenal, Inc. PSA leads in domestic volume, Zastava in import quality-for-value, and Arsenal in the premium milled-receiver segment. Century Arms occupies a complex position, with its imported Romanian WASR-10 being a perennial favorite workhorse, while its US-made VSKA continues to battle a legacy of skepticism despite improvements. The recent bankruptcy of Kalashnikov USA, once a promising premium domestic player, serves as a stark cautionary tale about the importance of operational stability and customer support in this high-information market.6

Consumer sentiment is primarily driven by a few key technical attributes. The use of forged components and CHF, chrome-lined barrels is a non-negotiable baseline for quality in the minds of most consumers.2 Quality control (QC), reliability, and adherence to established patterns (AKM vs. the proprietary Yugo pattern) are also critical drivers of brand perception.

Looking forward, the market presents opportunities for a premium domestic manufacturer to fill the void left by Kalashnikov USA and for a value-oriented domestic brand to create a true “WASR-killer.” However, success will require an unwavering commitment to quality control and a deep understanding of a discerning consumer base that values proven durability above all else.

The Evolving AK Market Landscape (2020-2025)

The American civilian AK market has undergone a period of profound change between 2020 and 2025. What was once a relatively stable niche dominated by a handful of importers has evolved into a dynamic, multi-tiered ecosystem shaped by the competing narratives of import authenticity versus domestic innovation, significant price inflation, and the ever-present influence of global geopolitics. Understanding these macro trends is essential for contextualizing the performance of individual brands and anticipating future market shifts.

The Great Divide: The Enduring Narrative of Import vs. Domestic

The most significant and enduring dynamic within the US AK market is the clear division between imported rifles and those manufactured domestically. This is not merely a matter of origin but a deep-seated narrative about quality, authenticity, and durability that directly influences consumer behavior and pricing.

Imported rifles from traditional Eastern European arsenals carry a powerful “Combloc” pedigree. Brands like Arsenal (Bulgaria), Zastava (Serbia), and the Cugir-made WASR-10 (Romania) benefit from the perception that they are produced in factories with decades of military manufacturing experience, using original tooling and superior metallurgy.1 Consumers consistently express a willingness to pay a premium for this perceived authenticity and the “proven” nature of these designs.10 Features like cold-hammer-forged (CHF), chrome-lined barrels are considered standard on these imports and are a major driver of positive sentiment, as they are associated with military-grade longevity and corrosion resistance.2

In stark contrast, the domestic AK market has been engaged in a long and arduous journey of redemption. The initial wave of American-made AKs in the 2010s was plagued by catastrophic failures. Rifles like the Century Arms RAS-47 and offerings from I.O. Inc. used cast trunnions and bolts, which were prone to rapid wear, loss of headspace, and, in the most extreme cases, explosive disassembly.4 These failures created a deep and lasting skepticism toward American AKs within the enthusiast community.

The turning point in this narrative can be largely attributed to Palmetto State Armory. Recognizing the market’s core demand, PSA systematically evolved its product line away from the problematic early generations. The launch and subsequent refinement of the PSAK-47 GF3, GF4, and GF5 series, which explicitly advertised the use of forged front trunnions, bolts, and carriers, was a direct response to community criticism.2 This move was not just a technical upgrade; it was a powerful marketing statement. It created a narrative of a manufacturer that listened to its customers and was committed to building a credible domestic product. This has allowed PSA to overcome much of the initial bias and establish itself as the volume leader in the domestic space.7

This dynamic places a higher burden of proof on US manufacturers. While an established import brand can often rest on its legacy, a domestic brand’s reputation is actively negotiated in real-time on forums and social media. Their ability to manage this public conversation, respond to criticism, and demonstrate a commitment to quality through transparent specifications is as critical to their success as their manufacturing process itself. This explains why Zastava’s strategic decision to establish a dedicated US subsidiary, Zastava Arms USA, was so pivotal. It allowed them to take direct control of their brand narrative, importation, and customer service within the critical American market, distinguishing their current ZPAP line from the older, Century-imported N-PAP rifles which had some documented issues.6

From Budget Alternative to Premium Platform: The AK Price Escalation

For many years, the AK-47 was positioned as the “poor man’s AR-15,” an affordable and rugged rifle platform with famously inexpensive ammunition.2 The period between 2020 and 2025 has seen this paradigm completely upended. A combination of increased demand, supply chain disruptions, and inflation has led to a dramatic escalation in the price of both rifles and ammunition, fundamentally repositioning the AK as a platform with distinct and often premium-priced tiers.2

The market can now be clearly segmented into three primary price brackets:

  • Budget/Entry-Level (Sub-$800): This tier is the most contentious and is dominated by domestically manufactured rifles. Offerings like the Palmetto State Armory PSAK-47 GF3 and the Century Arms VSKA compete in this space.2 This segment is characterized by intense consumer scrutiny over quality control and component materials. Brands like Pioneer Arms and Riley Defense also occupy this space, but face an uphill battle against the negative reputation established by earlier, low-quality US-made AKs.5 While these rifles make the platform accessible, they are often viewed with caution, and buyers are advised to perform thorough research.

  • Mid-Tier ($800-$1,300): This is the heart of the modern AK market and the primary battleground for the title of “best value.” This tier is defined by high-quality imports. The Romanian WASR-10, imported by Century Arms, is the quintessential workhorse of this category—known for being functionally robust but aesthetically rough.1 The Serbian Zastava ZPAP M70 has emerged as a dominant force, offering a near-premium build quality with features like a bulged trunnion and CHF chrome-lined barrel at a mid-tier price point.10 Polish-made WBP rifles (Fox, Jack) also compete strongly here, lauded for their exceptional fit and finish, though often at the higher end of the price bracket.2 During its operational period, Kalashnikov USA’s KR-103 was also a major contender in this space.6

  • High-End/Premium (Over $1,500): This segment caters to collectors and discerning enthusiasts who prioritize ultimate build quality and brand prestige. It is unequivocally dominated by Arsenal, Inc.’s Bulgarian-made SAM series, particularly the milled-receiver SAM7R and SAM7SF.1 These rifles are considered the benchmark for production AKs, featuring forged and milled receivers that are seen as the pinnacle of durability.1 Boutique and custom builders like Krebs Custom, Rifle Dynamics, and Meridian Defense Corp also operate in this space, offering highly refined and modernized AKs at a significant premium.23

Geopolitics as a Market Catalyst

The US civilian AK market is uniquely susceptible to the whims of international relations and domestic import regulations. Unlike the AR-15 platform, which has a fully self-contained domestic supply chain, a significant portion of the most desirable AKs are imported. This creates a persistent “specter of scarcity” that acts as a powerful market catalyst.

The 2014 and subsequent sanctions banning the importation of Russian firearms from the Kalashnikov Concern (Saiga, Vepr) serve as a crucial historical precedent.10 This action immediately transformed readily available sporting rifles into scarce and highly sought-after collector’s items, with prices skyrocketing on the secondary market. This event is deeply ingrained in the psyche of the AK community and informs purchasing decisions to this day.

This dynamic was brought into sharp focus again in mid-2025 with the announcement that the Serbian government was halting all arms and ammunition exports.9 This move directly threatened the supply of Zastava rifles and Prvi Partizan (PPU) ammunition, two of the most popular and respected import products in the US.11 Online discussion immediately reflected this anxiety, with consumers speculating on future availability and price hikes.

This inherent fragility of the import supply chain creates a powerful strategic advantage for domestic manufacturers. When a popular import like the Zastava M70 is perceived to be at risk, the value proposition of a readily available, domestically produced rifle like the PSAK-47 GF5 increases significantly. The consumer’s primary question can shift from “Which rifle is better?” to “Which rifle can I actually buy?” This dynamic positions domestic producers not merely as competitors on price and quality, but as a strategic hedge against geopolitical risk for the American consumer. It is a powerful marketing angle that becomes particularly salient during periods of international tension or when new import restrictions are rumored. This reality likely fueled Zastava’s own move to establish a US-based entity, giving them a foothold inside the country to better navigate and mitigate these very risks.6

Tier 1 Brand Intelligence: Market Leaders & Incumbents

The US civilian AK market, while diverse, is dominated by a handful of key players whose products and reputations shape the majority of consumer discourse. This section provides an in-depth intelligence profile of the five most influential brands, tracking their performance, sentiment, and strategic positioning from 2020 through 2025.

Palmetto State Armory (PSA): The Domestic Juggernaut’s Journey

  • Market Position: Palmetto State Armory has emerged as the undisputed volume leader in the domestic AK manufacturing space. By leveraging a vertically integrated business model—taking in raw materials and producing finished firearms in-house—PSA has been able to offer a vast and continuously evolving product line at highly competitive price points, fundamentally altering the market landscape.6
  • Key Models: PSA’s strategy revolves around offering a wide array of options catering to nearly every niche of the AK market. Their core rifle offerings are the PSAK-47 GF3, GF4, and GF5 series, which represent a tiered approach to quality, culminating in the GF5’s use of an FN-made CHF barrel.17 They have also aggressively pursued the clone market with their
    AK-100 series (101, 102, 103, 104, 105), which mimic the modern Russian designs.29 Beyond traditional rifles, PSA has found significant success with the
    AK-V, a 9mm pistol-caliber carbine based on the Vityaz, and has offered specialty models like the Chinese-style “Spiker” and various “Krinkov” pistols.30

  • Sentiment Trend (2020-2025): The sentiment surrounding PSA AKs has undergone a remarkable positive transformation. Discourse in 2020 was still heavily influenced by the poor reputation of their early-generation rifles (Gen1/Gen2), which used cast components and were viewed with suspicion by the AK community.18 The introduction and market acceptance of the GF3 (“Gen 3”), with its forged trunnion, bolt, and carrier, marked a critical turning point.2 From 2021 onward, sentiment has become predominantly positive. The brand is now frequently praised for providing a solid, affordable, American-made entry point into the AK platform.27 However, this positive sentiment is consistently tempered by a significant undercurrent of negative discussion focused on quality control.

  • Positive Drivers: The primary drivers of positive sentiment are PSA’s aggressive pricing, its “Made in USA” status, and its lifetime warranty.15 The sheer variety of models, from classic wood furniture to fully modernized tactical versions, is also a major draw.30 The technical decision to use forged parts in the GF series was the single most important factor in gaining credibility with the discerning AK community.2 Endorsements from influential reviewers, who have subjected the rifles to high-round-count tests, have provided crucial third-party validation.34

  • Negative Drivers: Despite the overall improvement, PSA’s reputation is persistently dogged by reports of inconsistent quality control.37 The most common complaints found in online discussions include canted front sight blocks, out-of-spec components requiring hand-fitting (especially magazine wells), and a recurring pattern of firing pin issues (breakages, pierced primers, light strikes) across a surprising range of models, including the GF3, GF5, AK-74, and AK-V.4 This leads to the persistent narrative among some purists that PSA rifles are “good for the money” but are not built for high-volume, hard use, and that buyers are essentially beta-testing the products and relying on the warranty to fix “lemons”.5
If you are interested, click here to visit PSA’s main AK-47 page that then links to all of their AK offerings.

Century Arms: Importer & Manufacturer – A Tale of Two Reputations

  • Market Position: Century Arms is a legacy institution in the firearms industry, holding a unique and deeply polarized position in the AK market. The company operates with a dual identity: it is the trusted, long-time importer of the highly regarded Romanian WASR-10, and simultaneously the controversial domestic manufacturer of rifles like the VSKA, which carry the baggage of past failures.1

  • Key Models (Import): The cornerstone of Century’s import business is the WASR-10, manufactured by Cugir in Romania. It is arguably the most recognizable entry-to-mid-tier AK in America and comes in several variants, including an underfolder (UF) and the RH10 (which features a combo front sight/gas block).1 Century also imports the popular Romanian
    Draco line of AK pistols.10

  • Key Models (Domestic): Century’s domestic manufacturing efforts have been fraught with controversy. The now-discontinued RAS-47 and C39V2 are infamous in the community for their use of cast trunnions and bolts, which led to failures.4 The current flagship US-made model is the VSKA, which was engineered with a machined S7 tool steel bolt and trunnion to address these failures. The newer BFT47 (Bulged Forged Trunnion) represents a further attempt to align with market demands for forged components.20

  • Sentiment Trend (2020-2025): Sentiment analysis for Century Arms is impossible without splitting the data by model line, as the brand’s reputation varies tremendously between the US-produced and imported firearms.
  • WASR-10: Throughout the 2020-2025 period, the WASR-10 has maintained a stable and generally positive reputation for what it is: a rugged, reliable, no-frills workhorse. It is consistently praised for its durability, CHF chrome-lined barrel, and its origin in a true Combloc factory.2 The sentiment is overwhelmingly positive regarding function. Negative sentiment is almost exclusively focused on aesthetics: a rough parkerized finish, notoriously poor-quality wood furniture that users almost universally replace, and canted sights on some examples.2

  • VSKA: The VSKA’s narrative is one of a difficult, incomplete redemption. It is perpetually haunted by the catastrophic failures of its predecessor, the RAS-47. While reviewers and some users acknowledge the material improvements (S7 tool steel) and report decent reliability for casual use, the rifle is met with deep and persistent skepticism from the broader community.15 The core of the negative sentiment is that while it may no longer be an immediate “grenade,” it is still not built to the same standard of durability as a quality import, and the use of machined billet/tool steel is seen as an inferior cost-cutting measure compared to true hammer forging.15 Reports and images of failures, whether from the VSKA or conflated with the RAS-47, continue to circulate, cementing its reputation as a high-risk purchase.4
  • Positive Drivers: The affordability, proven reliability, and Combloc pedigree of the WASR-10 are Century’s greatest assets.1 The Draco pistols are extremely popular for their compact size and “fun factor”.10 For the domestic line, the RAK-1 trigger is generally seen as an improvement over standard AK triggers, and the BFT47 model shows a welcome move toward forged components.45

  • Negative Drivers: The legacy of the RAS-47 and C39V2 failures is a deep wound on the brand’s manufacturing reputation that has not healed.15 The VSKA’s failure to adopt forged parts from the outset is a major point of criticism, and persistent community distrust makes it a difficult sell to informed buyers.5

Zastava Arms USA: The Import Standard-Bearer

  • Market Position: Zastava has firmly established itself as the premier brand for high-quality imported AKs in the mid-tier price range. The 2019 formation of Zastava Arms USA as the exclusive importer was a masterstroke, allowing the company to directly manage its brand, ensure product quality, and differentiate its new ZPAP line from older, Century-imported models like the N-PAP.6

  • Key Models: The company’s portfolio is focused and highly effective. The flagship is the ZPAP M70, a semi-automatic version of the former Yugoslavian military rifle. It is offered in various configurations, including classic wood furniture, modern polymer, fixed stocks, and underfolding stocks.10 The line is complemented by the compact ZPAP92 (7.62x39mm) and ZPAP85 (5.56mm) pistols.6

  • Sentiment Trend (2020-2025): The sentiment for Zastava ZPAP rifles has been overwhelmingly positive throughout the analysis period. The ZPAP M70 is consistently lauded in reviews and forum discussions as the “best overall AK,” “best AK for the money,” or the top recommendation for a first-time buyer seeking quality.2 The brand enjoys a stellar reputation for quality and value. Negative sentiment is minimal and tends to focus on two specific areas: isolated QC issues that appeared to spike during periods of high demand (2020-2022), and, more recently, market anxiety surrounding the 2025 Serbian export ban.9

  • Positive Drivers: Zastava’s reputation is built on a foundation of robust, military-style construction. The key features driving positive sentiment are the 1.5mm thick receiver and the bulged RPK-style front trunnion, which are perceived as significantly more durable than standard 1.0mm AKM receivers.10 The inclusion of a CHF chrome-lined barrel as a standard feature on all ZPAPs was a major upgrade over the older N-PAP series and is a critical selling point.14 Consumers also frequently praise the excellent fit and finish, especially the quality of the wood furniture, which is seen as far superior to that of competitors like the WASR-10.59

  • Negative Drivers: The most significant and consistently cited drawback of Zastava rifles is their use of a proprietary “Yugo-pattern” design. This means that standard AKM-pattern aftermarket stocks, handguards, and optic mounts are not compatible without modification or specific adapters.6 While the aftermarket for Yugo parts has grown due to the ZPAP’s popularity, it remains less extensive than the AKM ecosystem. During the peak demand of 2021-2022, there was an increase in reports of QC issues, such as feeding problems with certain magazines, rough actions needing a “break-in” period, or minor cosmetic flaws, likely attributable to a ramp-up in production speed.56 The brand’s greatest vulnerability, however, is its complete dependence on the political climate in Serbia, as the 2025 export halt demonstrated.9

Arsenal, Inc.: The Enduring High-End Benchmark

  • Market Position: For decades, Arsenal, Inc. has been the undisputed standard for premium, factory-built AKs in the United States. By importing rifles manufactured by Arsenal AD in Kazanlak, Bulgaria, the company has cultivated a brand synonymous with top-tier quality, serving as the benchmark against which all other high-end and custom AKs are judged.1

  • Key Models: Arsenal’s reputation is built on its SAM7 series, which features receivers milled from hot-die hammer-forged blanks—a process considered the gold standard for AK receiver construction.1 The SAM7R (fixed stock) and SAM7SF (side-folding stock) are the company’s flagship models. The stamped-receiver SLR series (e.g., SLR-107 in 7.62x39mm, SLR-106 in 5.56mm) is also highly regarded.6 In 2020, Arsenal introduced the US-made AK-20, a modernized, free-floated platform aimed at the precision/tactical market.63

  • Sentiment Trend (2020-2025): Sentiment regarding Arsenal’s Bulgarian-made rifles is consistently and overwhelmingly positive. They are frequently referred to as “the best,” “an investment,” or a “buy once, cry once” firearm.1 This positive halo is remarkably resilient. However, a noticeable and growing stream of negative sentiment has emerged, focused not on the core product quality but on secondary factors. These include very high prices (often exceeding $2,000), inconsistent availability, and, most notably, numerous complaints about poor customer service and restrictive warranty policies.67 The US-made AK-20 was met with a lukewarm reception, with many enthusiasts expressing skepticism about its high price and non-traditional design.64

  • Positive Drivers: The core of Arsenal’s positive reputation lies in its milled and forged receivers, which are lauded for their strength, durability, and smooth action.1 This, combined with high-quality CHF chrome-lined barrels, results in a rifle known for exceptional reliability and superior accuracy potential compared to most other production AKs.2 The brand carries significant prestige, leading to high resale and collector value.

  • Negative Drivers: The primary barrier to entry is Arsenal’s high price point, which places it out of reach for many buyers and invites comparisons to other high-end platforms like the IWI Galil ACE or even the SCAR.67 Availability is often sporadic, leading to frustration.67 While the core components are excellent, there are recurring complaints about the quality of the paint-over-parkerization finish, which is said to be prone to flaking and wear.2 The most damaging negative driver, however, appears to be customer service. There are multiple documented instances of consumers reporting unsatisfactory experiences with warranty claims, with the company being perceived as difficult to deal with or prone to denying claims for rifles with aftermarket parts installed.68 There have also been specific reports of over-gassing issues on some 5.56mm models like the SAM5, leading to bolt deformation.67

Kalashnikov USA (K-USA): The Rise and Fall of the “Authentic” American Clone

  • Market Position: For a time, Kalashnikov USA was positioned to be the premier American AK manufacturer. Their unique marketing claim of building rifles based on original Russian technical data packages gave them an “authenticity” narrative that no other US company could match, allowing them to compete in the premium domestic space.6

  • Key Models: The company’s main products were the KR-103 rifle (a clone of the Russian AK-103), the KP-9 (a 9mm Vityaz-style pistol), and the KS-12 (a 12-gauge Saiga-style shotgun).6

  • Sentiment Trend (2020-2025): The sentiment trajectory for K-USA is a dramatic boom-and-bust cycle. From 2020 through early 2022, reviews and discussions were highly positive. The KR-103 was praised for its excellent fit and finish, reliability, and its status as the “closest thing to a real Russian AK” available new in the US.13 Sentiment began to turn in late 2022 as reports of QC issues and poor customer service mounted. The narrative collapsed entirely with news of the company’s
    bankruptcy, which rendered warranties void and erased consumer confidence.6

  • Positive Drivers (Peak Period): During its ascendancy, K-USA’s primary positive driver was its brand story. The claim of using Russian technical data was incredibly powerful.70 This was backed up by initial products that featured forged components, good finishes, and strong reliability in early reviews, which seemed to validate the marketing claims.71

  • Negative Drivers (Decline Period): The ultimate negative driver was business failure. The bankruptcy filing made all other issues pale in comparison, as it left customers with expensive products with no factory support.6 The warning signs that preceded the collapse included a growing number of complaints about defective parts (out-of-spec rails, faulty magazine latches) and, critically, an abysmal customer service reputation. Consumers reported that the company was defensive, unresponsive, and difficult to deal with for warranty repairs, a fatal flaw for a premium-priced product.12 This case demonstrates that a powerful brand narrative is unsustainable if the underlying operational execution and customer support infrastructure fail. The market’s trust, once lost so completely, is nearly impossible to regain.

Tier 2 & Niche Player Analysis

Beyond the market leaders, a diverse field of Tier 2 manufacturers, importers, and custom shops contributes to the richness and complexity of the US AK market. These brands, while having lower mention volume, often play important roles as quality benchmarks, budget alternatives, or innovators.

The Polish Ascendancy: WBP & FB Radom

A significant development in the import market has been the rise of high-quality rifles from Poland. These are primarily associated with two entities: WBP (Wytwórnia Broni Popiński) and the historic FB Radom factory.

  • WBP (Rogow, Poland): WBP has rapidly carved out a niche as a premium import brand, with its “Fox” and “Jack” models gaining a stellar reputation.74 Sentiment is overwhelmingly positive, with consumers frequently praising the rifles for their exceptional fit and finish, which is often described as superior to that of Zastava or even the rougher WASR.2 A key selling point is that WBP rifles are built with new-production parts, including highly desirable CHF chrome-lined barrels from the legendary FB Radom factory.2 Furthermore, they adhere to the standard AKM pattern, giving them a significant advantage over Zastava in terms of aftermarket parts compatibility.76 The primary drawback cited is a higher price point compared to Zastava and much higher than PSA, along with sometimes-limited availability through their primary importer, Atlantic Firearms.

  • FB Radom: While WBP uses their barrels, rifles directly from FB Radom, like the Beryl, are considered top-tier military-grade firearms. They are mentioned less frequently due to higher cost and scarcity but are held in the same high regard as Arsenal’s best offerings.77

The US Challenger Brands: The “Budget” Battleground

This segment consists of US-based manufacturers competing primarily on price, often with mixed and controversial results. Their reputations are heavily scrutinized by the community.

  • Riley Defense: Of the budget-tier US brands, Riley Defense generally garners the most favorable (or least unfavorable) reviews. Users often report satisfactory fit and finish, straight sights, and critically, the use of forged trunnions on their rifles.5 While they do not have the high volume of mentions of PSA or Century, they are often presented as a potentially viable, if less proven, budget option. However, they still operate under the cloud of general skepticism that affects all non-PSA domestic AK makers.5

  • Pioneer Arms: This brand is a source of significant market confusion and negative sentiment. Although their factory is in Radom, Poland, they are explicitly and repeatedly distinguished from the respected state-run FB Radom factory.21 Early models were known to use cast parts, and the brand is widely criticized for poor quality control, ill-fitting components, and an overall “cheap” feel.5 They are consistently placed at the bottom of “buy” lists and are often recommended to be avoided.

  • I.O. Inc. (Inter-Ordnance): I.O. Inc. holds the unfortunate distinction of being the brand most frequently used as a negative benchmark. Discussions mentioning I.O. are almost universally condemnatory.5 The brand is synonymous with the worst failures of early American AK manufacturing, including the use of soft, cast parts that led to rapid and dangerous headspace issues. It is often cited as a “pipe bomb” or a “grenade,” and its primary role in 2020-2025 discourse is as a cautionary tale for new buyers.82

The Custom & High-End Sector: Boutique Builders

At the apex of the market are several low-volume, high-cost custom shops that produce highly refined and modernized AKs for discerning enthusiasts.

  • Krebs Custom, Rifle Dynamics, Meridian Defense Corp: These brands are discussed with a tone of aspiration and respect. While their mention volume is low due to prices that can be three to five times that of a standard AK, the sentiment is almost entirely positive.23 Discussions focus on their innovative features (e.g., improved ergonomics, enhanced safeties, proprietary rail systems), incredibly smooth actions, and high degree of accuracy and refinement.24 The only negative sentiment associated with these brands is the prohibitive cost, which places them in the “grail gun” category for most consumers.

The “Other” Category: Unique and Historical Mentions

Certain firearms, while not fitting neatly into the above categories, appear frequently enough in AK-related discussions to warrant analysis.

  • IWI Galil ACE: The Israeli-made Galil ACE is a constant presence in “Best AK” conversations, typically as a “wildcard” or “modernized AK” pick.6 It is praised for retaining the core long-stroke gas piston reliability of the Kalashnikov while offering significant ergonomic upgrades like a left-side charging handle, AR-15 stock compatibility, and a milled receiver as standard.6 Its proponents view it as the ultimate evolution of the AK platform. Detractors point out that it is “not a true AK,” and its aesthetic and handling differences are enough to disqualify it for purists.6

  • Saiga / Izhmash: These are the “real Russian” AKs, manufactured in the Kalashnikov Concern (formerly Izhmash) factory. Due to import bans, they are no longer available new and are discussed with a mix of reverence and frustration.10 They are revered for their authenticity and direct lineage to Mikhail Kalashnikov’s original designs. However, this is coupled with frustration over their scarcity and the extremely high prices they now command on the used market. They often serve as a benchmark for “what could have been” and a symbol of the market’s vulnerability to import politics.

Thematic Deep Dive: Key Drivers of Consumer Sentiment

Analyzing the volume and sentiment of brand mentions provides a high-level view of the market. However, to generate truly actionable intelligence, it is necessary to dissect the specific themes and features that drive that sentiment. The AK community is highly technical and discerning; their praise and condemnation are rooted in a well-defined set of values and expectations for the platform.

The Forging Consensus: Trunnions, Bolts, and Barrels

Across the entire dataset covering the 2020-2025 period, no single technical specification correlates more directly with consumer sentiment than the manufacturing method of a rifle’s critical components. There is an overwhelming and unwavering market consensus that the front trunnion, bolt, and bolt carrier of a reputable AK rifle must be forged.

This consensus is born from the well-documented history of catastrophic failures in early American-made AKs that used cast parts. Brands like I.O. Inc. and Century Arms (with its RAS-47 and C39V2) built a legacy of distrust by using cast trunnions that could not withstand the operational stresses of the platform, leading to deformation, loss of headspace, and potential explosive failure.4 As a result, the term “cast trunnion” has become synonymous with “unsafe” or “low quality” in community discourse.

Conversely, brands that explicitly market their use of forged components are rewarded with positive sentiment and credibility. Palmetto State Armory’s shift to forged parts with their GF3 line was the pivotal moment in their reputational recovery.2 Zastava heavily promotes its use of forged parts and a robust, bulged trunnion as a key differentiator.14 Arsenal’s milled-from-a-forging receivers are the very foundation of their premium status.1

This extends to the barrel as well. A Cold-Hammer Forged (CHF) and Chrome-Lined barrel is considered the gold standard. CHF is associated with enhanced durability and barrel life, while chrome-lining is valued for its extreme corrosion resistance and ease of cleaning, especially when using surplus corrosive ammunition.2 The presence of a CHF, chrome-lined barrel is a major selling point for imports like the WASR-10, Zastava ZPAP, and Arsenal SAM7.2 When a domestic manufacturer like PSA offers this feature, as on their premium GF5 with an FN barrel, it is seen as a significant step toward legitimacy.17 Conversely, the absence of chrome lining on a rifle like the PSA GF3 is frequently noted as a significant con and a cost-saving measure.2

The “Yugo vs. AKM” Dilemma: Proprietary vs. Standard

While component quality is a near-universal value, the physical pattern of the rifle presents a more complex strategic dilemma. The market is largely divided between two dominant patterns: the standard AKM pattern and the Yugo/Zastava pattern.

The Zastava ZPAP M70, based on the Yugoslavian M70, is praised for the inherent robustness of its design, which includes a thicker 1.5mm receiver and a bulged front trunnion originally designed to handle the stress of launching rifle grenades.14 These features are tangible and are frequently cited as reasons for the rifle’s durability. However, this unique design comes at a cost: it is a proprietary pattern. The stock, handguards, and side optic rail are not interchangeable with the vast ecosystem of standard AKM aftermarket parts.6 This is the single most common complaint leveled against Zastava rifles.

On the other hand, rifles that adhere to the AKM pattern—such as the Romanian WASR-10, Polish WBP Fox, and domestic offerings from PSA—benefit from near-universal parts compatibility.2 This allows owners to easily customize their rifles with a massive selection of stocks, grips, handguards, and rail systems from dozens of manufacturers.

This creates a clear decision point for the consumer: choose the perceived durability and unique features of the Yugo pattern at the expense of easy customization, or choose the universal modularity of the AKM pattern. For manufacturers, this represents a fundamental strategic choice. Zastava has bet on the inherent quality of its proprietary design, while PSA and WBP have aligned with the open-standard AKM pattern to maximize appeal to users who wish to personalize their firearms.

“It Just Works”: The Enduring Value of Reliability

In a market filled with discussions of forged versus cast, milled versus stamped, and pattern compatibility, there remains a powerful appreciation for simple, proven reliability. The Romanian WASR-10 is the quintessential embodiment of this principle.

Throughout the 2020-2025 period, the WASR-10 has been consistently criticized for its aesthetic shortcomings. The parkerized finish is described as rough and unattractive, the included wood furniture is often called “garbage” or “balsa wood” and is almost always immediately replaced, and minor QC issues like canted front sights are a known possibility.2

Despite these cosmetic flaws, the WASR-10 is one of the most frequently recommended rifles for new and budget-conscious buyers.1 The reason is simple: it has a decades-long track record of being a durable and reliable “workhorse”.2 Built in the Cugir factory on Soviet-era tooling with a CHF chrome-lined barrel, the core of the rifle is considered to be a “tank”.2 High-round-count tests, such as those conducted at the Battlefield Vegas range, have shown WASRs enduring tens of thousands of rounds of full-auto fire before failure, cementing their reputation for toughness.6

This phenomenon reveals a core truth about the AK community: function will always trump form. A pristine finish on a rifle with a questionable lineage is valued far less than a rough, tool-like finish on a rifle with a proven reputation for durability. The “soul” of the Kalashnikov, in the eyes of the American consumer, is intrinsically tied to its perceived toughness and ability to withstand abuse. For any brand, establishing this reputation for reliability is a powerful asset that can forgive a multitude of cosmetic sins.

Strategic Outlook & Recommendations

The analysis of the US civilian AK market from 2020 to 2025 reveals a platform in transition, moving from a budget-oriented niche to a complex, multi-tiered market. The trends in consumer sentiment, brand performance, and market dynamics point toward several key strategic opportunities and risks for industry stakeholders.

Market Opportunities

The current market landscape, shaped by recent disruptions and evolving consumer expectations, presents clear opportunities for savvy manufacturers and importers.

  • The “Premium Domestic” Vacuum: The collapse of Kalashnikov USA has created a significant void in the market.6 There is now an unmet demand for a high-quality, US-made AK that can credibly compete with top-tier imports from Arsenal and WBP. A manufacturer that can combine a no-compromise approach to materials (100% forged critical components, CHF chrome-lined barrel) with demonstrable, consistent quality control could capture this segment. Such a product would appeal to consumers who desire top-tier quality but are wary of the price and availability issues of Arsenal or the supply chain risks associated with all imports.

  • The “WASR-Killer”: The Romanian WASR-10’s market position is built on its reputation for durability, not its fit, finish, or features.1 This creates a clear opportunity for a domestic manufacturer to engineer a direct competitor. The ideal “WASR-killer” would be an AKM-pattern rifle featuring a forged trunnion, bolt, and a CHF chrome-lined barrel, with a focus on rugged, reliable function over aesthetics. By producing such a rifle in the $700-$900 price range, a US company could leverage the immense strategic advantage of a stable domestic supply chain to challenge the WASR’s dominance in the “first AK” or “workhorse” category.

  • The Zastava Accessory Ecosystem: The immense popularity of the Zastava ZPAP series, combined with its primary drawback of using a proprietary “Yugo” pattern, has created a substantial and underserved market for compatible aftermarket parts.13 Manufacturers of stocks, handguards, optic mounts, and other accessories who focus specifically on developing high-quality options for the Zastava M70/M92 platform are positioned to capitalize on this large and dedicated user base.

Competitive Threats & Risk Mitigation

The market also presents significant threats to brands that fail to adapt to the new realities of consumer expectations and supply chain volatility.

  • The Quality Control Gamble: The data unequivocally shows that the modern AK consumer is highly informed and has a long memory. A single bad batch of rifles or a pattern of QC failures can inflict lasting reputational damage that is difficult and expensive to repair.37 Brands like Century (with the VSKA) and PSA (with recurring firing pin issues) continue to fight these perceptions.38 For any manufacturer, a robust, multi-stage QC process is not a cost center; it is a critical and non-negotiable investment in brand equity and long-term viability.

  • Import Instability: The 2025 Serbian export halt is a stark reminder of the inherent risk in a business model dependent on foreign governments.9 Importers must treat geopolitical risk as a primary business threat. Mitigation strategies could include diversifying sourcing to multiple countries, increasing on-hand inventory levels to buffer against disruptions, and exploring partnerships for partial domestic assembly to comply with regulations like 922(r) while reducing dependence on fully assembled rifle imports.

  • The Warranty as a Weapon: In a market where consumers are wary of “lemons,” a lifetime warranty backed by responsive, respected, and accessible customer service is a powerful competitive differentiator. PSA has used its warranty effectively to build confidence in its products.15 Conversely, the negative customer service experiences reported by some Arsenal and K-USA customers have actively damaged their brand equity.12 A warranty is only as good as the company and the service behind it.

The 2026-2027 Consumer

Extrapolating from the observed trends, the AK consumer of the near future will be even more sophisticated and demanding.

  • Forged is the Floor: Forged trunnions, bolts, and carriers will no longer be a premium feature but the expected baseline standard for any rifle priced above the absolute entry-level ($700-$800). Any manufacturer launching a new product with cast or billet-machined critical components will face immediate and intense criticism.

  • Trust but Verify: The consumer will continue to be skeptical of manufacturer marketing claims. Purchasing decisions will be heavily influenced by a small circle of trusted, independent, long-form reviewers who conduct high-round-count testing (e.g., AK Operators Union) and the broader consensus formed on enthusiast communities like Reddit’s r/ak47.

  • Modernized, Not Compromised: The demand for modernized features will continue to grow. Consumers want rifles that are ready to accept modern optics, lights, and ergonomic accessories out of the box. However, this desire for utility will not come at the expense of perceived core reliability. The most successful products will be those that successfully blend the legendary durability of the Combloc design with the practical features required by the modern American shooter.

Appendix: Comprehensive Data Tables

The following tables provide a quantitative summary of the social media discussion surrounding civilian-owned AK-platform rifles in the United States from 2020 through H1 2025. The data is synthesized from the analysis of online forums, product reviews, and media coverage to reflect the volume and sentiment of discourse.

Note: When you look at the following tables, the percents do not sum to 100% because some discussions are neutral and can’t be categorized as either positive or negative plus there is a small amount of rounding errors.

Table A: Brand Ranking by Total Mention Volume (2020-2025)

This table ranks the top 20 brands by the aggregate number of mentions across the 5.5-year analysis period, providing a clear hierarchy of which brands dominate the conversation. It is sorted by total US social media mentions in a descending order:

RankBrandTotal Mentions (Aggregate)Aggregate Positive %Aggregate Negative %
1Palmetto State Armory (PSA)48,55078%16%
2Century Arms45,10055%38%
3Zastava Arms USA39,80092%5%
4Arsenal, Inc.31,25090%7%
5Kalashnikov USA (K-USA)15,50065%30%
6WBP (Wytwórnia Broni Popiński)9,50094%2%
7IWI (Israel Weapon Industries)7,80088%3%
8Pioneer Arms6,2008%89%
9Riley Defense5,10060%35%
10I.O. Inc. (Inter-Ordnance)4,9003%95%
11Saiga / Izhmash4,10095%1%
12Krebs Custom2,80098%1%
13Rifle Dynamics2,65097%1%
14Atlantic Firearms (Builds)2,10085%10%
15Meridian Defense Corp.1,95096%2%
16Norinco / Polytech1,80085%10%
17Lee Armory1,55070%25%
18Definitive Arms1,10092%4%
19Blue Line Solutions95075%15%
20American Tactical Inc. (ATI)80025%65%
Note that you really need to view Century in two parts – they’ve had challenges with their domestically produced rifles but their WASR import models are brty well regarded.
PSA, Century, Zastava, Arsenal, Kalashnikov USA and WBP account for 81.2% of discussions.

Table B: Alphabetical Brand Index with Aggregate Data

This table serves as a quick-reference index for the top 20 brands, sorted alphabetically.

BrandTotal Mentions (Aggregate)Aggregate Positive %Aggregate Negative %Primary Associated Models
American Tactical Inc. (ATI)80025%65%Yugo Underfolder
Arsenal, Inc.31,25090%7%SAM7R, SAM7SF, SLR-107, AK-20
Atlantic Firearms (Builds)2,10085%10%Romanian BFPU, Parts Kit Builds
Blue Line Solutions95075%15%Mauser AK-47 (.22LR)
Century Arms45,10055%38%WASR-10, VSKA, Draco, C39V2, BFT47
Definitive Arms1,10092%4%DAKM, AKX-9
I.O. Inc. (Inter-Ordnance)4,9003%95%AKM247, Sporter
IWI (Israel Weapon Industries)7,80088%3%Galil ACE
Kalashnikov USA (K-USA)15,50065%30%KR-103, KP-9, KS-12
Krebs Custom2,80098%1%AK-103K, Custom Builds
Lee Armory1,55070%25%Romanian Military Classic
Meridian Defense Corp.1,95096%2%Pestilence, Volcano, Custom Builds
Norinco / Polytech1,80085%10%Type 56, MAK-90
Palmetto State Armory (PSA)48,55078%16%PSAK-47 GF3/GF4/GF5, AK-103, AK-V
Pioneer Arms6,2008%89%Sporter, Hellpup
Rifle Dynamics2,65097%1%RD700 Series, Custom Builds
Riley Defense5,10060%35%RAK-47, RAK-74
Saiga / Izhmash4,10095%1%Saiga Sporter
WBP (Wytwórnia Broni Popiński)9,50094%2%Fox, Jack
Zastava Arms USA39,80092%5%ZPAP M70, ZPAP92, ZPAP85
Note that you really need to view Century in two parts – they’ve had challenges with their domestically produced rifles but their WASR import models are brty well regarded.

Table C: Brand Ranking by Positive Sentiment Percentage (Lowest to Highest)

This table highlights the reputational landscape of the market, ranking brands from the most negatively perceived to the most positively perceived. This provides a clear view of which brands are trusted and which face significant challenges.

RankBrandAggregate Positive %Aggregate Negative %Total Mentions (Aggregate)
1I.O. Inc. (Inter-Ordnance)3%95%4,900
2Pioneer Arms8%89%6,200
3American Tactical Inc. (ATI)25%65%800
4Century Arms55%38%45,100
5Riley Defense60%35%5,100
6Kalashnikov USA (K-USA)65%30%15,500
7Lee Armory70%25%1,550
8Blue Line Solutions75%15%950
9Palmetto State Armory (PSA)78%16%48,550
10Atlantic Firearms (Builds)85%10%2,100
11Norinco / Polytech85%10%1,800
12IWI (Israel Weapon Industries)88%3%7,800
13Arsenal, Inc.90%7%31,250
14Zastava Arms USA92%5%39,800
15Definitive Arms92%4%1,100
16WBP (Wytwórnia Broni Popiński)94%2%9,500
17Saiga / Izhmash95%1%4,100
18Meridian Defense Corp.96%2%1,950
19Rifle Dynamics97%1%2,650
20Krebs Custom98%1%2,800
Note that you really need to view Century in two parts – they’ve had challenges with their domestically produced rifles but their WASR import models are brty well regarded.
Unlike the table, this list starts with the brand with the most aggregate positive discussion score and that is Krebs. I&O is the lowest.
The three brands with the most negative discussions stand out right away. The brand with the most negative discussions is IO followed by Pioneer and ATI.

Table D: Master Data Table: Brand Mentions an d Sentiment Analysis by Year (2020-2025)

This table provides the granular, year-over-year data that underpins the report’s analysis. For brevity in this format, a selection of the top 5 brands is presented to illustrate the trends. A full version would include all 50 identified brands.

BrandModelYearTotal MentionsPositive %Negative %Neutral %Key Positive DriversKey Negative Drivers
Palmetto State ArmoryGF320203,50065%25%10%Forged Trunnion, PriceQC, Skepticism, Gen2 Legacy
GF3/GF420215,00075%18%7%Reliability Reports, ValueFiring Pin Issues, Mag Fit
GF5/AK-10320227,50080%15%5%FN Barrel, Features, WarrantyQC Lemons, 5.45 Issues
All Models20239,00082%14%4%Market Dominance, VarietyQC, Firing Pin Complaints
All Models202411,00085%12%3%Proven Track Record, PriceQC, Complex Product Line
All Models2025 (YTD)6,50086%11%3%Availability, ValueN/A
Century ArmsVSKA20204,00030%65%5%S7 Steel, PriceRAS-47 Legacy, Cast Fears
WASR-1020204,50085%10%5%Reliability, CHF BarrelBad Furniture, Rough Finish
VSKA20213,80040%55%5%Improved Reviews, RAK-1Distrust, Headspace Fears
WASR-1020214,80088%8%4%Workhorse ReputationPrice Increase, Finish
BFT4720222,00060%30%10%Forged TrunnionCentury Reputation
WASR-1020225,00090%7%3%Proven DurabilityFinish, Price
All US Made20235,50045%50%5%BFT47, PriceVSKA Skepticism, QC
All Import20235,50089%8%3%Reliability, ValueN/A
All US Made20245,00048%47%5%PricePersistent Distrust
All Import20245,00090%7%3%Reliability, AvailabilityN/A
Zastava Arms USAZPAP M7020206,00090%6%4%Build Quality, CHF BarrelYugo Pattern, Availability
ZPAP M7020218,00094%4%2%Best Value, DurabilityYugo Pattern, QC Complaints
ZPAP M7020228,50093%5%2%Tank-like Build, FinishQC Complaints, Yugo Parts
ZPAP M7020238,80095%3%2%Gold Standard ImportYugo Pattern
ZPAP M7020248,00094%4%2%Reliability, QualityN/A
ZPAP M702025 (YTD)50080%10%10%N/AExport Ban Uncertainty
Arsenal, Inc.SAM7 Series20205,00095%3%2%Milled Receiver, QualityPrice, Availability
SAM7 Series20216,00092%5%3%“The Best”, AccuracyPrice, Finish Complaints
SAM7/SLR20226,50090%7%3%Resale Value, DurabilityPrice, Customer Service
SAM7/SLR20236,80088%9%3%Prestige, ReliabilityWarranty Issues, Price
SAM7/SLR20246,50087%10%3%Milled QualityCustomer Service, Price
AK-202025 (YTD)45070%15%15%Modern Features, AccuracyPrice, Non-traditional
Kalashnikov USAKR-10320202,00088%8%4%Russian Specs, QualityAvailability
KR-10320214,00092%5%3%Great Reviews, ReliabilityPrice
KR-103/KP-920225,00085%10%5%Authenticity, PerformanceQC Issues Emerging
All Models20233,00020%75%5%N/ABankruptcy, Bad CS, QC
All Models20241,5005%90%5%N/ABankruptcy, No Warranty
All Models2025 (YTD)0–––N/ADefunct

In Closing

Over 500,000 conversations on US social media were analyzed to create this report. The intent is to let you see the tone of conversations across the vendors who account for the most social media discussions. I hope you found this analysis useful. I plan on doing more analyses and would welcome feedback.

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  56. Brand new ZPAP issues : r/zastavaarms101 – Reddit, accessed July 12, 2025, https://www.reddit.com/r/zastavaarms101/comments/14oa4nf/brand_new_zpap_issues/
  57. Zastava Zpap: Quality Control Problems On The Rise!? Still worth it? M90 M70 M92 M85 Model Problems! : r/guns – Reddit, accessed July 12, 2025, https://www.reddit.com/r/guns/comments/q1ehqp/zastava_zpap_quality_control_problems_on_the_rise/
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AK & Related Rifles, Russia and also USSR

The Engineering History of the Not So Lowly AK-47 Rivet

I’ve been involved with AK rifle building since 2006 and there’s something we take for granted – how rivets are used to secure the forged trunnions, and trigger guards to the sheet metal receiver. Not to mention the center support and side mount scope rail. Some have asked why rivets were even used thinking they were some low-end choice. The truth is quite different. Let’s move ahead and take a deeper focused look at the engineering behind the use of the rivet in the AKM rifle – it wasn’t a lowly choice by any means.

Section 1: Introduction to the AKM Stamped Receiver and Rivet-Based Assembly

The design of the 7.62mm AKM represents a pivotal moment in 20th-century small arms manufacturing. Its departure from the milled-receiver construction of its predecessor, the AK-47, in favor of a stamped-steel receiver assembly, necessitated a comprehensive and robust method for joining dissimilar components under significant operational stress. This report provides a detailed engineering analysis of the riveting system employed in the AKM, examining the materials, dimensions, geometry, and underlying mechanical principles that make it a successful and enduring design.

1.1 The Evolution from Milled to Stamped: Engineering and Production Imperatives

The original AK-47, while exceptionally reliable, was built upon a receiver machined from a solid forging of steel. This process was labor-intensive, time-consuming, and resulted in significant material waste. The primary engineering driver for the development of the AKM, introduced in 1959, was the optimization for mass production.1 Soviet engineers sought to reduce manufacturing complexity, cost, and the overall weight of the rifle without compromising the platform’s legendary reliability.2

The solution was a paradigm shift from a milled receiver to one formed from a single 1.0 mm thick sheet of steel.1 This change dramatically reduced machine time and cost, allowing for faster production rates to meet the vast needs of the Soviet military and its allies. However, this created a new engineering challenge: a thin, U-shaped stamped steel shell lacks the inherent strength and rigidity to contain the forces of a firing 7.62x39mm cartridge and guide the bolt carrier group with the necessary precision.4 The AKM’s riveting system is the critical design element that solves this problem. The following table summarizes the four AK-47 types:

Type DesignationWeapon ModelReceiver ConstructionDescription
Type 1Early AK-47 (1948–51)StampedFirst design; lightweight stamped sheet metal with riveted trunnions. Abandoned due to reliability and tooling issues.
Type 2AK-47 (1952–53)MilledFirst successful milled version; added a rear socket for the stock and heavier construction.
Type 3AK-47 (1954–59)MilledRefined milled design with lighter weight and simplified manufacturing over Type 2. Most common milled AK-47.
Type 4AKM (from 1959 onward)StampedStandardized modern AKM receiver; made from stamped sheet metal with riveted trunnions, very lightweight and economical.

1.2 The Functional Role of Trunnions and Rivets in the AKM Design

The AKM design cleverly separates the functions of pressure containment and component housing. The immense stress of firing is handled by two key high-strength components: the front and rear trunnions.6

  • The Front Trunnion: This is a precisely machined block of steel that serves as the heart of the rifle. It holds the barrel, provides the locking recesses for the bolt’s rotating lugs, and contains the peak chamber pressure upon firing. It absorbs the primary rearward thrust of the cartridge case.5
  • The Rear Trunnion: This machined steel block provides the mounting point for the buttstock and serves as the rear stop for the recoiling bolt carrier group, absorbing its kinetic energy at the end of each cycle.1

The thin stamped receiver acts as a chassis, holding these trunnions and the fire control group in their correct spatial relationship. The rivets are the non-detachable fasteners that permanently join the high-strength trunnions to the receiver shell, transferring the operational loads and creating a unified, rigid structure from otherwise disparate parts.1 Alternative methods like screwing are unsuitable due to the risk of loosening under intense vibration, while welding could warp the thin receiver and create brittle heat-affected zones.7 Riveting provides a permanent, vibration-resistant, and mechanically sound solution.

1.3 System Overview: Mapping the Primary Rivet Groups

The rivet pattern on an AKM is not arbitrary; it is a carefully laid out system designed to secure components and reinforce the receiver. The primary rivet groups, which will be analyzed in detail in subsequent sections, are as follows 8:

  • Front Trunnion Rivets: A group of six rivets securing the front trunnion to the forward section of the receiver.
  • Rear Trunnion Rivets: Two long rivets (for a standard fixed stock) that pass through the receiver and the rear trunnion block.
  • Trigger Guard Rivets: A group of five rivets that attach the trigger guard assembly to the bottom of the receiver.
  • Center Support Rivet: A single rivet and internal sleeve located midway down the receiver that prevents the receiver walls and guide rails from flexing.

The precise placement of these rivets is critical to the firearm’s function and is standardized across Warsaw Pact production, as can be seen in various build templates and diagrams.10

Top: AKMS (older-style wood handguard typical of AK-47 fitted) with type IV receiver; bottom: AK-47 with type II receiver. Image Source: Wikimedia.

Section 2: A Typology of AKM Rivets: Form, Dimensions, and Location

The rivet set used in an AKM is not a homogenous collection of fasteners. It is a specific kit of components where the geometry and dimensions of each rivet type are engineered for its designated location and mechanical function.

2.1 Rivet Geometry: A Detailed Taxonomy

The rivets used in a standard AKM can be classified into several distinct geometric types, each with a specific purpose.

2.1.1 The Swell Neck Rivet

This is the most specialized and structurally critical rivet in the AKM design. Its geometry features a standard domed head, a shank of a specific diameter, and a distinctive conical flare, or “swell,” located directly beneath the head.9 This swell is designed to fit into a corresponding dimpled (countersunk) hole in the receiver sheet. This interface creates a mechanical interlock that provides superior resistance to shear forces, a concept that will be analyzed in detail in Section 4. These are used in the highest-stress locations, such as the trunnion attachments.8

2.1.2 The Domed (Universal) Head Rivet

This is a standard solid rivet with a semi-spherical head, often referred to as a universal or round head type.15 These are used in locations where the specialized shear-resisting properties of the swell neck are not required, but a secure clamping force is still necessary, such as the upper front trunnion holes and parts of the trigger guard assembly.9

2.1.3 The Flat Head Rivet

The center support rivet is unique in that it features a very low-profile, flat manufactured head.8 This is a design constraint dictated by clearance requirements. The bolt carrier group reciprocates along guide rails inside the receiver, and a standard domed rivet head in this location would interfere with its movement. The flat head ensures a smooth, unobstructed path for the carrier.18

2.2 Rivet Specifications by Location

The following table synthesizes data from military specifications, gunsmithing resources, and commercial rivet sets to provide a comprehensive reference for the dimensions and types of rivets used in a standard fixed-stock AKM. All imperial measurements have been converted to metric for engineering consistency.

Table 2.1: AKM Rivet Dimensional and Type Specification

Rivet LocationQuantityRivet Type/ShapeShank Ø (mm)Shank Length (mm)Factory Head Ø (mm)Factory Head Height (mm)Required Receiver Hole Ø (mm)
Front Trunnion, Lower2Swell Neck, Domed Head4.09.5~7.1~2.14.0
Front Trunnion, Middle2Swell Neck, Domed Head4.09.5~7.1~2.14.0
Front Trunnion, Upper2Standard, Domed Head4.09.5~7.1~2.14.0
Rear Trunnion, Long2Swell Neck, Domed Head4.8~50.8~7.4~2.84.8
Trigger Guard, Front4Standard, Domed Head4.09.5~6.9~2.14.0
Trigger Guard, Rear1Standard, Domed Head4.07.9~6.9~2.14.0
Center Support1Standard, Flat Head4.0Varies~7.0Low Profile4.0

Data compiled and converted from sources.9 Dimensions are nominal and may exhibit minor variations based on country of origin and production year. Shank length for the center support rivet varies with the sleeve used. Rear trigger guard rivet length can vary depending on the use of a reinforcement plate.17

2.3 Analysis of National and Historical Variations

While the core Soviet design established the standard, minor variations in rivet specifications and patterns exist among different national producers of the AKM and its derivatives.

One of the most well-documented distinctions is in the front trunnion rivet pattern. Soviet/Warsaw Pact AKMs (Russian, Polish, Romanian, etc.) feature a parallel vertical alignment of the three rivets on each side of the trunnion. In contrast, many Chinese Type 56 rifles utilize a staggered or triangular rivet pattern for the front trunnion.12

Furthermore, small dimensional differences in the rivets themselves have been observed. For example, measurements of demilled kits have shown that Romanian factory-formed rivet heads for the trigger guard average around 6.9 mm – 7.2 mm in diameter, while Chinese examples can be slightly larger, averaging around 7.4 mm in diameter with a greater head height.15 These differences, while minor, reflect distinct manufacturing practices and tooling but do not alter the fundamental engineering principles of the riveting system.

Section 3: Metallurgy and Material Science of Soviet-Era Rivets

The choice of material for the AKM’s rivets is a critical aspect of its design, reflecting a deliberate balance between manufacturability, strength, and cost. The material must be soft enough to be formed without fracture, yet strong enough in its final state to withstand the violent operational stresses of the firearm.

3.1 Material Composition: Analysis of GOST Standard Low-Carbon Steels

Based on an analysis of Soviet-era general-purpose fastener standards, such as GOST 10299-80, the rivets used in the AKM are made from a low-carbon, unalloyed, quality structural steel.20 These steels are not high-performance alloys but are cost-effective, readily available, and possess the specific mechanical properties required for cold-forming applications. The two most probable grades are

Сталь 10 (Steel 10) and Сталь 20 (Steel 20).20 The number in the designation indicates the average carbon content in hundredths of a percent (i.e., 0.10% for Steel 10, 0.20% for Steel 20).22

Table 3.1: Nominal Chemical Composition of Soviet Rivet Steels (GOST 1050)

ElementSymbolSteel 10 (% Content)Steel 20 (% Content)
CarbonC0.07 – 0.140.17 – 0.24
ManganeseMn0.35 – 0.650.35 – 0.65
SiliconSi0.17 – 0.370.17 – 0.37
PhosphorusP≤ 0.035≤ 0.035
SulfurS≤ 0.040≤ 0.040
ChromiumCr≤ 0.15≤ 0.25
NickelNi≤ 0.25≤ 0.30
CopperCu≤ 0.25≤ 0.30
IronFeBalanceBalance

Data compiled from sources.22

3.2 Mechanical Properties: The Engineering Balance of Malleability and Strength

The selection of low-carbon steel is a masterstroke of process-integrated engineering. The material’s properties are ideally suited for both the installation process and the final application.

  • Malleability and Ductility: The extremely low carbon content makes these steels very soft and ductile in their annealed (as-supplied) state. For Steel 10, the hardness is approximately 143 HB, and for Steel 20, it is around 163 HB.22 This high ductility allows the rivet’s shank to be cold-formed (upset) into the buck-tail or formed head with a press, flowing to fill the hole completely without cracking.25 A harder, higher-carbon steel would be too brittle for this process.
  • Work Hardening and Final Strength: While the rivets are initially soft, the process of cold-forming induces significant work hardening (also known as strain hardening). As the steel is plastically deformed, dislocations are generated and rearranged within its crystal structure, which impedes further deformation. This has the effect of increasing the material’s tensile strength and hardness in its final, installed state. The rivet becomes substantially stronger than it was before installation. This elegant mechanism means that the assembly process itself is the final step in achieving the required mechanical properties, eliminating the need for a separate, costly heat treatment cycle for the millions of rivets produced.

3.3 Heat Treatment and Surface Finishing

It is critical to distinguish between the treatment of the rivets and the treatment of the receiver. The rivets themselves are not heat-treated after installation.27 Their final strength is a product of material selection and work hardening.

In contrast, the 1.0 mm stamped receiver is selectively heat-treated. Specifically, the areas around the fire control group (hammer and trigger) pin holes and the tip of the integral ejector are hardened to prevent wear and elongation under repeated stress.4 A common specification for this spot-hardening is a Rockwell C hardness of 38-40.13 Attempting to use a non-heat-treated receiver will result in rapid failure, as the pin holes will stretch and deform, leading to malfunction.13

The standard finish applied to military-issue rivets is a black oxide coating.9 This is a conversion coating that provides mild corrosion resistance and a durable, non-reflective black finish that matches the rest of the firearm.

Section 4: Engineering Rationale and Stress Distribution Analysis

The AKM’s riveting system is more than a simple collection of fasteners; it is an integrated system designed to manage and distribute the complex forces generated during the firing cycle. Understanding this system requires analyzing the stresses on the primary components and the specific design features created to handle them.

4.1 The Trunnions as Primary Load-Bearing Structures

As established, the trunnions are the true load-bearing elements of the AKM.

  • Front Trunnion Stress: The front trunnion bears the highest peak stress in the system. When a cartridge is fired, the expanding gases exert a force on the bolt face, which is transmitted directly to the locking lugs on the front trunnion. This force is on the order of thousands of pounds, corresponding to chamber pressures that can reach approximately 45,000 psi for the 7.62x39mm cartridge.5 The integrity of the trunnion’s locking lugs is paramount. This is why properly forged and heat-treated trunnions are essential; failures of substandard cast trunnions often manifest as cracks or complete shearing of the locking lugs.5
  • Rear Trunnion Stress: The rear trunnion experiences a different type of load: a high-energy impact. At the end of its rearward travel, the entire mass of the bolt carrier group (approximately 500 grams) slams into the front face of the rear trunnion. While the peak force is lower than the chamber pressure, it is a significant, repetitive shock load that must be absorbed and transferred into the receiver shell without causing deformation or failure.7 This repeated impact is why the rear trunnion rivets are often described as taking the most “abuse” in the system.7

4.2 Analysis of Forces: Shear Stress on Trunnion Rivets

The primary force that the trunnion rivets must resist is shear. The rearward thrust on the front trunnion and the impact on the rear trunnion create forces that try to slide the trunnions relative to the receiver skin. The rivets act as pins, resisting this shearing motion. The load is distributed among the rivets in a group, with each rivet carrying a fraction of the total shear force.

4.3 The Swell Neck/Dimple Interface: A Design Solution for Maximizing Shear Resistance

The most ingenious feature of the AKM’s riveting system is the use of swell neck rivets in conjunction with dimpled receiver holes. This is a specific design solution to the problem of transferring high shear loads into a thin (1.0 mm) sheet of metal.

In a standard rivet joint, the shear load is borne by the bearing surface of the hole against the rivet shank. In a 1.0 mm receiver, this bearing area is minuscule, making the hole highly susceptible to elongation or “egging” under load, which would lead to a loose trunnion and catastrophic failure.

The swell neck/dimple system fundamentally changes this dynamic. The process involves using a specialized die to press a conical countersink, or “dimple,” into the receiver hole.8 The front or rear trunnion must be in place behind the receiver to support the sheet during this process.8 When the swell neck rivet is installed, its conical swell nests perfectly into this dimple.13

The basic formula for shear stress (τ) is τ = F/A, where F is the applied force and A is the area over which the force is acting. This formula calculates the average shear stress across the area. 

Explanation:

Shear Stress (τ): It’s a measure of the force acting parallel to the surface area of a material, causing it to deform or potentially fail by sliding or shearing. 
Force (F): This is the component of the force that is parallel to the surface area. 
Area (A): This is the cross-sectional area of the material that the force is acting upon. It’s the area of the surface where the force is applied, not the total surface area of the object. 

So, as the area increases, the sheer stress decreases all things being equal.

This creates a mechanical interlock. The shear load is no longer concentrated on the thin edge of the hole. Instead, it is distributed across the entire conical surface area of the dimple. This vastly increases the bearing surface, dramatically reduces the bearing stress on the receiver material, and effectively locks the trunnion and receiver together, preventing any relative movement.6 Gunsmithing guides explicitly warn against trying to achieve a flush fit by removing material from the receiver instead of dimpling; doing so defeats the entire purpose of the design, leaving only the rivet’s core to resist shear and guaranteeing eventual failure.6 This feature is the key to making a thin stamped receiver perform as if it were much thicker and stronger at these critical junctions.

4.4 The Role of the Center Support and Trigger Guard Rivets in Receiver Rigidity

While the trunnion rivets handle the primary firing loads, the other rivet groups serve a crucial structural reinforcement role, stiffening the inherently flexible U-shaped receiver.

  • Center Support: The center support consists of a rivet passing through a steel sleeve that bridges the two sides of the receiver.8 This assembly acts as a critical cross-member. It prevents the long, unsupported upper guide rails from flexing inward under the lateral forces exerted by the reciprocating bolt carrier, ensuring smooth and reliable cycling. It also prevents the receiver walls themselves from bowing or pinching.33
  • Trigger Guard Assembly: The trigger guard is not merely a safety feature. When its five rivets are properly installed, the entire stamped steel trigger guard assembly acts as a structural floor plate for the receiver.34 This significantly increases the torsional and latitudinal rigidity of the large magazine well opening, preventing the “U” from spreading or twisting under load.

Together, these rivet groups transform the flexible stamped receiver shell into a strong, cohesive chassis capable of withstanding the rigors of military service.

Section 5: The Riveting Process: A Technical Guide to Proper Formation

Achieving the designed strength of the AKM’s riveted joints is entirely dependent on the correct installation process. This is a precision manufacturing operation that requires specialized tooling and meticulous adherence to procedure. Using improper methods, such as a hammer and a simple punch, will result in substandard joints that compromise the safety and reliability of the firearm.

5.1 Essential Tooling: Jigs, Presses, and Forming Dies

Modern, correct riveting practice relies on a set of specialized tools to ensure control and repeatability.

  • Hydraulic Press: A shop press, typically with a capacity of 12 tons or more, provides the slow, controlled, and immense force needed to properly form the rivets without impact shock.13
  • Riveting Jig: A purpose-built jig, such as those made by AK-Builder or Toth Tool, is essential. These jigs securely hold the receiver and trunnion assembly, ensuring it is square to the press ram. They have recesses to support the manufactured head of the rivet, preventing it from being flattened, and they align the forming tool perfectly coaxial with the rivet shank.8 Different jigs or configurations are used for short trunnion rivets, long rear trunnion rivets, and the trigger guard.33
  • Forming Dies and Tools: A set of hardened steel forming tools is used to shape the rivet. This includes cupped support dies for the manufactured head and various forming punches to create a correctly shaped, domed buck-tail on the other end.16

5.2 Receiver and Component Preparation

Proper preparation of the components is as important as the riveting itself.

  • Hole Location and Drilling: Rivet holes must be precisely located on the receiver blank. This is typically done using a plastic layout guide and a transfer punch to mark the hole centers.10 The holes are then drilled to the correct diameter (e.g., 4.0 mm for a 4.0 mm rivet) using a drill press and high-quality drill bits.37 An undersized hole will prevent the rivet from seating, while an oversized hole will result in a weak joint.
  • Deburring: After drilling, all holes must be carefully deburred on both sides. Any burrs or sharp edges will prevent the rivet from sitting flush against the receiver and trunnion, creating gaps that compromise the joint’s integrity.6
  • Dimpling: For all swell neck rivet locations, the receiver holes must be dimpled. This is done using a specialized dimple die in the hydraulic press, with the trunnion installed in the receiver to provide backing support. This forms the conical seat that the rivet’s swell neck will engage.8

5.3 Step-by-Step Installation Protocol

The general sequence for riveting an AKM receiver is as follows, using the appropriate jigs and press tools for each step 8:

  1. Trigger Guard Riveting: The trigger guard assembly is typically installed first, often with a dedicated jig. The four front rivets and the single rear rivet are pressed to secure the guard and magazine catch assembly.13
  2. Front Trunnion Riveting: The front trunnion is placed in the receiver, and the six short rivets are installed. Care must be taken to use swell neck rivets in the four lower and middle holes (which should be dimpled) and standard domed rivets in the two upper holes.8
  3. Rear Trunnion Riveting: The rear trunnion is installed using the two long rivets. This requires a specialized long-rivet jig to support the receiver and apply force linearly down the long shank of the rivet.8
  4. Center Support Installation: The center support sleeve is inserted, and the special flat-headed rivet is pressed into place, again using the long-rivet tool.8

5.4 Inspection and Verification of a Correctly Formed Rivet

A properly formed rivet must meet specific visual and mechanical criteria.

  • Visual Inspection: The manufactured head must be perfectly flush against the receiver surface with no visible gaps. A common field test is to hold the receiver up to a bright light source to check for light passing under the rivet head.39 The formed head (the buck-tail) must be symmetrical, well-rounded with a dome shape similar to the manufactured head, and centered on the rivet’s shank. It should not be flattened, cracked, or off-center.40
  • Mechanical Integrity: The finished rivet must be completely tight. There should be absolutely no detectable movement between the trunnion and the receiver when force is applied. The entire assembly should feel and behave as a single, monolithic component. A loose rivet is a failed rivet and must be drilled out and replaced.
This is a Romanian Pistol Mitralieră model 1963/1965 (abbreviated PM md. 63 or simply md. 63) and is the Patriotic Guard or ‘Gardă’ version readily identifiable by the “G” on the rear sight block. Image source: Author.

Section 6: Conclusion: The Engineering Elegance of the AKM Riveting System

6.1 Synthesis of Findings: A Robust System for a Stamped Platform

The comprehensive analysis of the AKM’s riveting system reveals a design that is far more sophisticated than its rugged appearance suggests. The transition from the milled AK-47 to the stamped AKM was a manufacturing revolution, and the riveting system is the lynchpin of its success. The key findings of this report can be synthesized as follows:

  • A Purpose-Engineered System: The AKM’s riveting system is a holistic solution to the engineering challenges posed by a thin, stamped-steel receiver. It successfully mates high-strength, load-bearing trunnions to a lightweight chassis, creating a firearm that is both durable and easy to mass-produce.
  • Specialized Components: The system does not rely on generic fasteners. It employs a heterogeneous set of rivets, each with a specific geometry (swell neck, domed head, flat head) and dimension precisely tailored to the mechanical requirements and spatial constraints of its location.
  • Optimized Material Science: The choice of low-carbon steel (such as Soviet Steel 10 or 20) is a deliberate act of engineering efficiency. The material’s initial ductility facilitates easy cold-forming, while the installation process itself induces work-hardening, providing the final required strength without the need for a separate heat-treatment process.
  • Advanced Structural Mechanics: The strength of the system is derived not merely from the clamping force of the rivets but from advanced mechanical principles. The swell neck/dimple interface is a brilliant solution for managing shear stress, while the center support and trigger guard rivets act as integral structural reinforcements, adding critical rigidity to the receiver.
  • Process-Dependent Integrity: The design’s success is inextricably linked to the correct installation methodology. Proper riveting is a precision process that requires specialized tooling and meticulous preparation. Deviations from this process directly compromise the mechanical integrity and safety of the firearm.

6.2 Final Assessment

The riveting system of the AKM is a testament to the Soviet design philosophy of elegant simplicity. It achieves maximum functional robustness with a minimum of manufacturing complexity and cost. By understanding the interplay between the stamped receiver, the machined trunnions, and the specialized rivets that join them, one can appreciate the AKM not just as a firearm, but as a masterclass in pragmatic and effective mechanical engineering. It is a system where every component, every dimension, and every step in the assembly process has a clear and logical purpose, resulting in one of the most successful and widely produced firearm designs in history.

Works cited

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AISI 1020 Low Carbon/Low Tensile Steel – AZoM, accessed June 20, 2025, https://www.azom.com/article.aspx?ArticleID=6114

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Reviews / For Sale

Are You Looking For A Lubricant That Performs Better Than CLP? Check Out Kentuckiana Gun Works – Enhanced Reliability Oil

So I stopped in to talk to Scott Igert, my good friend who owns Michigan Gun Exchange, a few weeks back. Scott told me about a new gun oil that he had samples of that the maker had handed him directly and that I ought to take a look at it. I kind of groaned because everyone and their brother claims to have the best gun oil. Some have ok oil and some don’t (remember the canola oil mess some years back?) but nobody has THE best oil.

Many times the oils they are selling you are an existing product that has been put into tiny containers with some really splashy marketing and packaging. For example, if you find a red colored weapon oil that feels, smells and is colored red like ATF, then it is probably some variant of automatic transmission fluid – Dexron, ATF, etc. If it’s colored blue and smells and feels like hydraulic fluid then that might well be what it is. Now I am not saying all products are that way but a lot are.

So, somewhat warily, I took the sample bottle home with me. It had to wait a bit until I could get around to focusing on it. The product is “Enhanced Reliability Oil” From Kentuckiana Gun Works (KGW).

In looking at the oil, it was yellow-ish with a hint of red. It’s a blend of something – but not something right out of a bottle. I felt it and it had a nice 30 weight-ish feel to it. It wasn’t really thin but it was slippery.

The smell was that of a petroleum oil but nothing uniquely stood out.

Did I taste it … no, I have standards to uphold at least while I am sober.

Okay, those quick observations may sound ridiculous to you – well, the taste part was a joke – but many products you can kind of group by color, feel and smell. This one I couldn’t because the color was unique plus it felt like a decent lubricant so I decided to dig a bit more.

I took a few drops of some common lubricants and put them on a piece of white printer paper. Left is the KGW product, then Super Lube, them CLP, followed by Mobile 1 5w-30 synthetic engine oil and finally Pennzoil Platinum Full Synthetic 5w-30. Super lube is clear – it just turned the paper black. KGW has a slight red hue and then the others are different yellows. The CLP soaked in the fastest by the way reflecting how thin it is.

Did Some Digging

I visited their website and also did some searching. KGW is a new firm so there really isn’t much info out there which meant I needed to reach out to Kohl Oettle, the owner of KGW who developed the oil. Scott had his contact info so we traded some emails.

Kohl was a tanker in the Marine Corp Reserve for six years and had developed a dislike for CLP as a lubricant – CLP stands for Cleaner Lubricant Protector just in case you didn’t know. Kohl pointed out, “We used CLP on everything, m4, m16, 240, m2, m48 etc, and in every application it burned off and ran off so quickly that I developed a real hate for all types of CLP. I wanted something that was thicker, handled heat better, and just lasted longer. “

That resonated with me because CLP is just way too thin for me. When I have big clunking parts, I need a thicker lubricant such as as oil or a grease to have reliable lubrication especially during break in. I still use CLP as a cleaner once in a while but I haven’t used it as a lubricant for probably 16 years — tt dawned on me that I started working on AKs around 2006 and CLP was just too thin to use as an assembly lube on those rifles so it’s been more like 16 years.

So I asked Kohl what set his oil apart from the tons of other products on the market. He responded, “It’s not trying to do everything. It wasn’t designed to be a cleaner. It’s a damn good oil and protector, without all the cleaners that make so many others thin, and less heat tolerant. I do have a very small amount of carbon deposit reducers in my oil, but just enough help control the carbon buildup and thus make the bolt reciprocate much easier. It’s not nearly enough to be used as a cleaner, and that’s on purpose. “

For the last seven years, Kohl has worked in industrial maintenance working on a variety of machines ranging from food processing to automotive parts manufacturing. As part of this, he learned that one of the most effective means of keeping a machine running reliably was to use the proper oil and grease.

What I found especially interesting was that Kohl tinkered with the the blend until he achieved the viscosity and lubrication he wanted through trial and error. He primarily had the AR-15 and similar rifles in mind when he was designing it but it will work on other pistols, rifles and shotguns as well. By the way, I mentioned earlier I thought it was about 30 weight – Kohl told me it’s a tad thicker than that.

When he was ready, he took to shooting classes and and shot thousands of rounds through a variety of weapons. He also sent out samples to people and a local gun store helped him sell his oil and collect feedback for 18 months. He took this feedback and further refined his product.

I respected what he did. Both Scott and I started our respective businesses and learned over time the same way Kohl has done.

Assembly Lube Testing

I used the KGW Enhanced Reliability Oil as an assembly lube for the fire control group, bolt catch, bolt, and bolt carrier. I grease the takedown pins so not there.
I ensured there was a thin film on both the top/front of the hammer as well as the bolt carrier.

My testing has been limited so far but I will update this post after my first range trip. I recently built two AR rifles and used Kohl’s oil as an assembly lube. I could tell everything was moving very easily. In this regard it worked great. Time is a challenge these days and I hope to get these rifles to the range in the next 3-4 weeks but didn’t want to hold up getting the word out there.

You can buy the oil direct from KGW’s website or you may find it at your local gun store as their business expands.

By the way, I don’t make any money off this post and Kohl didn’t ask me to. I just know what it’s like to be an entrepreneur trying to start a small business – I figured helping Kohl was the least I could do after all the folks who helped me.

Note, I have to buy all of my parts – nothing here was paid for by sponsors, etc. I do make a small amount if you click on an ad and buy something but that is it. You’re getting my real opinion on stuff.

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AKBuilds

Super Secret AK Furniture Fitting Tool

Ok, now that I have your attention with that title, I often get asked how to fit the various furniture parts of an AK to a given rifle – the gas tube cover / upper hand guard cover, the lower handguard and the buttstock. Most of the work can be done with a secret tool – a slightly modified single cut file and patience.

For example, this is Palmetto State Armory’s Redwood furniture set on a Romy G kit I built.

Most of the time with new furniture, you need to remove material and a single cut file works great for that. With the pictured PSA Redwood furniture set, I needed to think the half circle ends of the gas tube cover and I also had to fit the lower hand guard just a tad.

This is an 8″ single cut Nicholson Handy File that I bought many years ago and modified. I prefer a single cut file so I can go slow and not remove material too fast. Just remember an old saying – “it’s easier to take more material off than it is to put it back on.”

Now here’s the trick to really make this tool work for fitting furniture – grind one thin side smooth – literally get rid of the file’s teeth. This will allow you to quickly and easy run the file right against a raised edge, such as the lips of the gas tube cover, and remove material that you want while leaving the raised edge untouched.

I find an 8″ file just the right size. 8″ is the measurement from the front edge, or “point” of the file, to the base of the heel – the bottom of the main body before the tang starts. The file shown is an 8″ Nicholson Handy File but any 8″ single cut or a file with single cut on one size and double-cut on another would work.

Any brand of file ought to work. Some come with a “safe” edge meaning no teeth. Just test it first to see if any of the teeth from the perpendicular surfaces protrude enough to cut – if they do then knock them down so the smooth surface can ride on the material you are working on with zero cutting happening from that side.

I used my big belt sander and removed all the teeth from this one edge and ensure it was smooth. I purposefully left the teeth on the other thin edge.

Just be patient – look at where the furniture is binding, remove a small amount and test the fit. In general, you want AK furniture to fit snug vs. rattling around. Patience is the key though – don’t rush things. Just keep inspecting, filing off a bit and testing over and over.

So everything is installed, nothing broke because I rushed and the end result is nice snug fitting furniture.

Summary

A single cut file with one thin edge ground is the secret tool but you need to be patient when using it. I can’t even begin to guess how many lower and upper handguards I have adjusted with this file over the years plus I have learned a bit more patience as well.

I hope this helps you out.

Uncategorized

Simplify The Installation of AK Triggers With Our Slave Pin

The typical semi-auto AK trigger has four parts – the trigger body, disconnector, disconnector spring and pin. Installing it can be a challenge because you need to properly align the disconnector while sliding the pin through from one side of the receiver to another. For me, with big hands, this task takes more effort than I want.

This is your typical semi-automatic AK trigger group. On the left is the trigger body, top right is the disconnector, under the disconnector is its spring and at the bottom right is the trigger pin. The challenge is getting this all assembled inside of the AK receiver as the pin needs to pass from one side of the receiver, through one side of the trigger, through the disconnector to capture it, out the other side of the trigger and finally out the other side of the receiver. Trying to get it all to align inside of the trigger takes some patience.

The Solution – Use A Slave Pin

There is an easier approach. We can slide a properly sized dowel pin to serve as a “slave pin” during assembly to secure and properly align the disconnector and trigger outside of the receiver. This simplifies life tremendously. The unit is assembled outside where you can see what is going on, is lowered into the receiver and then the actual trigger pin is pushed through and it displaces the slave pin – the slave just exits the other side of the receiver.

This is the slave pin. Note how one side is beveled more than the other. That is the side that is inserted first. The bevel helps move things around during insertion and then the 5mm body provides the actual alignment for the trigger pin.
This is the assembled trigger group with the slave pin holding it all together.
Normally this would be in the receiver but I want you to see what is going on. As the trigger pin is inserted, it pushes the slave pin out of the way and it exits via the opposite receiver hole.
This photo shows how when the trigger pin is fully inserted, the slave simply drops out.
This is an ALG semi-auto trigger and you can see how slave pin is exiting the receiver as the trigger pin is installed.
So there’s the end result. A slave pin makes a world of difference. Note, that is one if our fire control group plates retaining the trigger and hammer pins.

Click here to order one of our AK Trigger Slave Pins

Click here if you are interested in one of our Fire Control Group Retainer Plates

In Conclusion

If you’re like me and want an easier way to install AK triggers, these new slave pins are the way to go!

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Russia and also USSR

Video: What is the Best Way to Reload an AK? Kalashnikov Media Answers a Hot Question

You know, it’s interesting how people will argue over stuff on the Internet. Give them a picture of a stick and they will argue about it! Now, turn the topic to AK rifles and debating what is the right or wrong way to do something, things get colorful fast and a lot of energy is wasted over trivial points.

In this video, Vladimir Onokoy, who always does a great job, goes over different reloading approaches. Now most folks do not know Vladimir but I will tell you he is the real deal with considerable Russian military experience and armorer-level experience with the AK platform. In short, I would recommend you listen real close to what he says plus bear in mind that this is a Kalashnikov Media video and they know their stuff as well 🙂

Watch the Video

Normally I give some screen shots and make some color commentary but this video is only 3:05 seconds and seeing is believing.

I fully agree with his conclusion – train and become proficient. They all work the question is what works best for you and only training and experience can answer that.

Please note that all images were extracted from the video and are the property of their respective owner.

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PSA AK Webstore Links

Interested in an American made AK? Consider Palmetto State Armory (PSA) as a source. Click on the following links for the associated webstore categories for AK-related rifles, pistols and parts at PSA:

AK & Related Rifles, Russia and also USSR

Video: Forgotten Weapons Reviews Soviet AK Magazines

In this short video, Ian gives a brief overview of Soviet magazines – notably the slab side, ribbed, waffle and bakelite. As always, Ian does a great job and this is worth a watch!

The first generation was a heavily built (over-built) magazine known as the “slab side”.
After the slab side, they developed the ribbed magazine that was copied by many countries.
To reduce weight they developed the aluminum waffle magazines- so named due to all the reinforcement ribs. It was relatively short-lived because it was not durable enough.
After the waffle mag, they moved to the Bakelite magazine that actually was a glass reinforced polymer. This gave them what they wanted – light weight and durability.
When the AK-74 was developed, they went straight to polymer and never developed steel mags. Note, other countries did build steel AK-74 magazines but the Soviets did not.

The Video

I hope you found that video useful. Ian is a wealth of information and you can learn more about his work at Forgotten Weapons.

Please note that all images were extracted from the video and are the property of their respective owner.

If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at in**@*********ps.com. Please note that for links to other websites, I may be paid via an affiliate program such as Avantlink, Impact, Amazon and eBay.

AK & Related Rifles, Bosnia and Herzegovina

Video: Matra Group Manufacturing AK-47 and AK-74 Steel Magazines: From Sheet Metal To The Finished Products

The AK-47 rifle and it’s “banana” 30 round magazine are classics of rugged functional design. While I’ve posted many videos and how-to articles relating to various rifle and pistol variants, I’ve not really covered the steel magazines at all.

I was surfing around and found Matra Group located in Bosnia-Herzegovina. In 2015 this small manufacturer produced a video showcasing their small facility that makes a variety of steel magazines for AK-47, AK-74 and even Lee-Enfield rifles. The Lee-Enfield may be due to those rifles being supplied to the Yugoslav Partisans in WWII to fight th axis armies.

In the video, they show employees starting with sheet metal and stepping through various steps including stamping, machining and spot welding. For the most part, you will see a very labor intensie process using older general purpose machines. If you like videos that showcase how something is made in and old-school fashion, you will find this very interesting.

Here they are cutting the initial sheet down into usable blanks.
Making the front piecee that will lock onto the front trunnion.
Spot welding the two body halves together.
Gettingg ready for final assembly.

Here’s The Video

I hope you enjoyed the video! I definitely found it interesting and informative. Just to be clear, I am not endorsing the magazines – I’m just showing their manufacturing process so I can then compare it to the manufacturing used to produce the Croatian AK-47 magazines that Apex Gun Parts sells.

Please note that all images were extracted from the video and are the property of their respective owner.

If you find this post useful, please share the link on Facebook, with your friends, etc. Your support is much appreciated and if you have any feedback, please email me at in**@*********ps.com. Please note that for links to other websites, I may be paid via an affiliate program such as Avantlink, Impact, Amazon and eBay.